Here is an easy to build bathroom shelf which includes a towel bar. Build it using the free instructions available at the link.
This storage shelf unit can be modified to make it longer or wider. It is perfect for behind the door in the bathroom or perhaps the childrens bedroom. Free building instructions available at the link.
These leaning ladder shelves are perfect for a bathroom and can be easily built using these free instructions.
Build this unique wood and acrylic bathroom shelf using these free instructions.
This narrow wall mounted shelf is perfect for that spot behind the bathroom door. Here is the free tutorial.
Hand made, wooden towel racks will compliment other country bathroom decor. They are inexpensive, and can help fulfill that rustic look desired. Also, bathroom towel racks are simple to make: even the novice woodworker can achieve success with this project.